EP3738261B1 - Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence - Google Patents

Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence Download PDF

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Publication number
EP3738261B1
EP3738261B1 EP19703807.8A EP19703807A EP3738261B1 EP 3738261 B1 EP3738261 B1 EP 3738261B1 EP 19703807 A EP19703807 A EP 19703807A EP 3738261 B1 EP3738261 B1 EP 3738261B1
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EP
European Patent Office
Prior art keywords
wtru
gnb
channel
lbt
sfi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19703807.8A
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German (de)
English (en)
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EP3738261A1 (fr
Inventor
Ahmad Reza HEDAYAT
Oghenekome Oteri
Hanqing Lou
Mahmoud Taherzadeh Boroujeni
Xiaofei Wang
Rui Yang
Shahrokh Nayeb Nazar
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InterDigital Patent Holdings Inc
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InterDigital Patent Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by InterDigital Patent Holdings Inc filed Critical InterDigital Patent Holdings Inc
Priority to EP23167288.2A priority Critical patent/EP4221060A1/fr
Publication of EP3738261A1 publication Critical patent/EP3738261A1/fr
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Publication of EP3738261B1 publication Critical patent/EP3738261B1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks

Claims (12)

  1. Procédé mis en oeuvre par une unité d'émission et de réception sans fil, WTRU, le procédé comprenant de :
    surveiller (904) une transmission de canal de commande de liaison descendante physique, PDCCH, dans un premier ensemble d'espaces de recherche à un premier débit;
    recevoir (906) la transmission PDCCH dans un espace de recherche du premier ensemble d'espaces de recherche, dans lequel la transmission PDCCH comprend des informations de configuration, et dans lequel les informations de configuration comprennent une première indication de format de créneau, SFI;
    surveiller une première transmission dans un deuxième ensemble d'espaces de recherche à un deuxième débit basé sur les informations de configuration reçues dans la transmission PDCCH ; et
    surveiller (908) une deuxième transmission dans le premier ensemble d'espaces de recherche au premier débit à une condition qu'un temps d'occupation de canal préconfiguré, COT, ait expiré.
  2. Procédé selon la revendication 1, dans lequel le PDCCH est un canal commun de groupe.
  3. Procédé selon la revendication 1, dans lequel la WTRU passe de la surveillance pour la première transmission directement à la surveillance pour la deuxième transmission.
  4. Procédé selon la revendication 1, comprenant en outre la réception de la première transmission comprenant un deuxième SFI, dans lequel la surveillance de la deuxième transmission est basée sur la deuxième SFI.
  5. Procédé selon la revendication 1, dans lequel le COT préconfiguré est inclus dans les informations de configuration.
  6. Procédé selon la revendication 1, dans lequel le COT préconfiguré n'est pas inclus dans les informations de configuration.
  7. Unité d'émission/réception sans fil, WTRU, la WTRU comprenant :
    des moyens pour surveiller (904) une transmission de canal de commande de liaison descendante physique, PDCCH, dans un premier ensemble d'espaces de recherche à un premier débit ;
    des moyens pour recevoir (906) la transmission PDCCH dans un espace de recherche du premier ensemble d'espaces de recherche, dans lequel la transmission PDCCH comprend des informations de configuration, et dans lequel les informations de configuration comprennent une première indication de format de créneau, SFI ;
    des moyens pour surveiller une première transmission dans un premier ensemble d'espaces de recherche à un premier débit sur la base des informations de configuration reçues dans la transmission PDCCH ; et
    des moyens pour surveiller (908) une deuxième transmission dans un deuxième ensemble d'espaces de recherche à un deuxième débit à une condition qu'un temps d'occupation de canal préconfiguré, COT, ait expiré.
  8. WTRU selon la revendication 7, dans laquelle le PDCCH est un canal commun de groupe.
  9. WTRU selon la revendication 7, dans laquelle la WTRU passe de la surveillance pour la première transmission directement à la surveillance pour la deuxième transmission.
  10. WTRU selon la revendication 7, comprenant en outre des moyens pour recevoir la première transmission comprenant un deuxième SFI, dans lequel la surveillance de la deuxième transmission est basée sur la deuxième SFI.
  11. WTRU selon la revendication 7, dans laquelle le COT préconfiguré est inclus dans les informations de configuration.
  12. WTRU selon la revendication 11, dans laquelle le COT préconfiguré n'est pas inclus dans les informations de configuration.
EP19703807.8A 2018-01-10 2019-01-10 Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence Active EP3738261B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23167288.2A EP4221060A1 (fr) 2018-01-10 2019-01-10 Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862615862P 2018-01-10 2018-01-10
US201862630566P 2018-02-14 2018-02-14
US201862652815P 2018-04-04 2018-04-04
PCT/US2019/013006 WO2019140060A1 (fr) 2018-01-10 2019-01-10 Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23167288.2A Division EP4221060A1 (fr) 2018-01-10 2019-01-10 Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence

Publications (2)

Publication Number Publication Date
EP3738261A1 EP3738261A1 (fr) 2020-11-18
EP3738261B1 true EP3738261B1 (fr) 2023-04-12

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EP19703807.8A Active EP3738261B1 (fr) 2018-01-10 2019-01-10 Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence
EP23167288.2A Pending EP4221060A1 (fr) 2018-01-10 2019-01-10 Procédés d'accès à un canal et solutions d'écoute avant de parler pour une nouvelle opération radio dans des bandes sans licence

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Country Status (7)

Country Link
US (2) US11546940B2 (fr)
EP (2) EP3738261B1 (fr)
KR (1) KR20200120621A (fr)
CN (3) CN111566979B (fr)
BR (1) BR112020014199A2 (fr)
TW (2) TW201939983A (fr)
WO (1) WO2019140060A1 (fr)

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Publication number Publication date
TW201939983A (zh) 2019-10-01
CN111566979A (zh) 2020-08-21
EP3738261A1 (fr) 2020-11-18
CN117042193A (zh) 2023-11-10
TW202119840A (zh) 2021-05-16
BR112020014199A2 (pt) 2020-12-01
TWI798562B (zh) 2023-04-11
US20230232456A1 (en) 2023-07-20
EP4221060A1 (fr) 2023-08-02
KR20200120621A (ko) 2020-10-21
WO2019140060A1 (fr) 2019-07-18
CN117042194A (zh) 2023-11-10
US20210368541A1 (en) 2021-11-25
CN111566979B (zh) 2023-08-04
US11546940B2 (en) 2023-01-03

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